[GitHub] [arrow-rs] amartins23 opened a new issue, #4439: Allow implementations of `FlightSqlService` to handle custom actions and commands

["amartins23 (via GitHub)" <gi...@apache.org>]

amartins23 opened a new issue, #4439:
URL: https://github.com/apache/arrow-rs/issues/4439

   **Is your feature request related to a problem or challenge? Please describe what you are trying to do.**
   
   The current `FlightSqlService` trait allows the implementer to handle custom commands in the `DoGet` call via `do_get_fallback` method implementation. However, no such possibility is offered for `DoPut`, `DoAction` and `ListActions`.
   
   A similar case could be made for `DoExchange`.
   
   **Describe the solution you'd like**
   
   Create new methods (with default implementations) in the `FlightSqlService` trait: `do_put_fallback`, `do_action_fallback`, with equivalent behavior as the `do_get_fallback` method. Furthermore, add a method that enables the implementation of the `FlightSqlService` trait to fill in additional actions to the actions returned by `ListActions` (https://github.com/apache/arrow-rs/blob/0bcf200ce22bd9a767dbe4c0fefcda6176e66f6e/arrow-flight/src/sql/server.rs#L608-L617), maybe named `add_custom_actions` that adds the actions to the existing vector, or a `list_custom_actions` that returns a (optional) vector that is appended to the existing vector.
   
   **Describe alternatives you've considered**
   
   The alternative is to create a wrapper `FlightService` implementation that has custom handling, then forwards everything to the existing implementation provided by implementing `FlightSqlService`.
   
   **Additional context**
   <!--
   Add any other context or screenshots about the feature request here.
   -->
   


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[GitHub] [arrow-rs] tustvold closed issue #4439: [FlightSQL] Allow implementations of `FlightSqlService` to handle custom actions and commands

["tustvold (via GitHub)" <gi...@apache.org>]

tustvold closed issue #4439: [FlightSQL] Allow implementations of `FlightSqlService` to handle custom actions and commands
URL: https://github.com/apache/arrow-rs/issues/4439


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